Y \ X
9960
9961
9962
9963
9964
9965
9966
9967
9968
9969
9970
9971
9972
9973
9974
9975
9976
9977
9978
9979
9980
9981
9982
9983
9984
9985
9986
9987
9988
9989
9990
9991
9992
9993
9994
9995
9996
9997
9998
9999
10000
3770
3769
3768
3767
3766
3765
3764
3763
3762
3761
3760
3759
3758
3757
3756
3755
3754
3753
3752
3751
3750